Pith Number

pith:WSRQ7A66

pith:2021:WSRQ7A66SIRZYFCQ2USWVDJNX4

not attested not anchored not stored refs pending

Performance Assessment of Energy-preserving, Adaptive Time-step Variational Integrators

Craig Woolsey, Harsh Sharma, Jeff Borggaard, Mayuresh Patil

arxiv:2108.05420 v2 · 2021-08-11 · math.NA · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WSRQ7A66SIRZYFCQ2USWVDJNX4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T04:48:35.252189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4a30f83de92239c1450d5256a8d2dbf3c7da42641b0ebe27c1f0fe42fde223a

Aliases

arxiv: 2108.05420 · arxiv_version: 2108.05420v2 · doi: 10.48550/arxiv.2108.05420 · pith_short_12: WSRQ7A66SIRZ · pith_short_16: WSRQ7A66SIRZYFCQ · pith_short_8: WSRQ7A66

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/WSRQ7A66SIRZYFCQ2USWVDJNX4 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b4a30f83de92239c1450d5256a8d2dbf3c7da42641b0ebe27c1f0fe42fde223a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad775572af4467693c2c596e74f28d5f86b3ef6c42836d4fa50d2529559fee20",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-08-11T19:14:34Z",
    "title_canon_sha256": "0f65f73d2a5cda74773b7564949f8d69ddfb4084b675b95b2eea5d263b3a5256"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.05420",
    "kind": "arxiv",
    "version": 2
  }
}